<!DOCTYPE html>
<html>

<head lang="en">
    <script type="text/javascript" src="js/vue.js"></script>
</head>

<body>
    <div id="app-5">
        <p>{{ message }}</p>
        <button v-on:click="reverseMessage">反转消息</button>
    </div>

    <script type="text/javascript">
        var app5 = new Vue({
            el: '#app-5',
            data: {
                message: 'Hello Vue.js!'
            },
            methods: {
                reverseMessage: function () {
                    this.message = this.message.split('').reverse().join('')
                }
            }
        })
    </script>
</body>

</html>